1. INSECTS

2. Insects are . . .
. . . Invertebrates, animals with no internal structures to support their bodies.

3. How are insects classified?
Kingdom – Animalia
Phylum – Arthropoda
Class – Hexapoda (Insects)

4. What is an Arthropod?
An animal with an exoskeleton and bendable, jointed legs.
insects
arachnids
centipedes and millipedes
crustaceans

5. What is an insect?
Six legs
Three body parts
Hard shell

6. What is an insect?
Antennae “feelers”
Compound eyes
Two pairs of wings

7. Is this an insect?

8. Is this an insect?

9. Is this an insect?

10. Is this an insect?

11. Is this an insect?

12. How do insects fit in?
Insects are the most populous and diverse class of organisms in the animal kingdom.
Make up over half of the living things on earth.
Insects can live in almost every environment.
Land or water
Insects are well adapted for all types of environments.
Body type, shape, attachments, etc.

13. Bad Bugs
parasitic
destroy crops
spread diseases

14. Good Bugs maintain nature’s balance part of many food chains
pollinate flowers
decomposition

15. True Bugs
A special group of insects in the Order Hemiptera with a long, jointed feeding tube used for piercing and sucking.
Examples – assassin bugs, bed bugs & stink bugs

16. The Exoskeleton
A hard covering on the outside of the body used for protection and support.
It is made up of chitin.
strong but flexible

17. The Head Eyes Mouthparts Antennae simple compound
specialized structures based on diet
Antennae
“feelers”
sensory organs

18. The Thorax Legs Wings 3 pairs jointed
Note: Some larvae have leg-like appendages on the abdomen.
Wings
one or two pairs
Note: Some insects are wingless.

19. The Abdomen
Organs
digestion
reproduction
No appendages used for moving on the abdomen of adults.
Sometimes there are some appendages at the end of the abdomen.

20. Can insects grow?
EGG
LARVA
PUPA
ADULT

21. Can insects grow?
EGG
NYMPH
ADULT

22. It’s a bug’s world!!!